Fix the data directory setup on EL systems.

tasks/postgresql-packages.yml

@@ -35,6 +35,9 @@
       ansible.builtin.yum:
         pkg: "{{ psql_el_pgdg_packages }}"
         state: present
+    - name: postgresql-packages | Print the DATA directory
+      ansible.builtin.debug:
+        msg: "Postgresql data directory: {{ psql_el_data_dir }}"
 
     - name: postgresql-packages | Create the postgresql data directory if it is not in the default place
       ansible.builtin.file:
@@ -43,9 +46,25 @@
         group: postgres
         mode: "700"
         state: directory
-      when:
-        - psql_use_alternate_data_dir
-        - ansible_distribution_file_variety == "RedHat"
+      when: psql_use_alternate_data_dir
+
+    - name: postgresql-packages | Crate a systemd directory to customize the postgresql startup unit
+      ansible.builtin.file:
+        dest: "/etc/systemd/system/postgresql-{{ psql_version }}.service.d"
+        owner: root
+        group: root
+        mode: "755"
+        state: directory
+      when: psql_use_alternate_data_dir
+
+    - name: postgresql-packages | Crate a postgresql systemd unit environment file
+      ansible.builtin.template:
+        src: postgresql-service-environment.conf.j2
+        dest: "/etc/systemd/system/postgresql-{{ psql_version }}.service.d/environment.conf"
+        owner: root
+        group: root
+        mode: "644"
+      when: psql_use_alternate_data_dir
 
     - name: postgresql-packages | Init the db if needed on EL systems
       ansible.builtin.command: /usr/pgsql-{{ psql_version }}/bin/postgresql-{{ psql_version }}-setup initdb

templates/postgresql-service-environment.conf.j2

@@ -0,0 +1 @@
+Environment=PGDATA="{{ psql_el_data_dir }}"